1) frequency temperature coefficient
频率温度系数
1.
Aging effect (in both one and two steps)on the frequency temperature coefficient γf and the mechanical quality factor Q of Fe-Ni-Cr-Ti Elinvar alloy was studied.
研究了时效(单级和分级时效)处理对 Fe-Ni-Cr-Ti 埃林瓦合金的频率温度系数γ_f和机械品质因数 Q影响。
2.
The main causes affecting the variation of frequency temperature coefficient were analyzed from the both sides of network synthesis theory and technologies in detail.
详细叙述了测试GSM移动通信基站中900MHz和1800MHz两种双工器的频率温度系数的方法和具体数据;从网络理论和实际工艺两方面分析了双工器因温度变化产生较大频率偏移的主要原因,总结出预防频率偏移的设计方法。
2) frequency-temperature coefficient
频率-温度系数
3) frequency-temperature coefficient
频率—温度系数
4) temperature coefficient of resonate frequency
谐振频率温度系数
5) temperature-frequency
温度-频率
1.
It changes the transfer way of temperature-voltage to be the one of temperature-frequency being used mostly nowadays,so that the design comes true.
本文介绍了一种基于集成电路的观赏鱼养殖用高精度恒温控制器,通过将目前普遍采用的温度-电压信号传输更换为温度-频率信号传输,实现高精密度恒温控制。
6) thermal refractive index coefficient
折射率温度系数
1.
The thermal refractive index coefficients were obtained at these wavelengths and the constants of modified Sellmeier's equation were also obtained at the temperature range.
338μm等波长测量了Nd3+:Gd3Ga5O12(Nd:GGG)晶体的折射率,得到了上述波长的折射率温度系数和测量温度范围内修正的Sellmeier方程的常数。
2.
According to the measured values of the refractive indices of the Nb∶KTP crystal at different temperature, the expression of the thermal refractive index coefficients as a function of the wavelength is got.
基于不同温度下主折射率的测量结果 ,报道了 7 5mol %Nb∶KTP晶体作为波长函数的折射率温度系数的表达式。
3.
For some crystals,one or more of the thermal expansion coefficients and thermal refractive index coefficients have an opposite sign to the other coefficients such that a direction of temperature insensitive optical path length exists.
如果晶体的热膨胀系数和折射率温度系数在1个或1个以上方向上的值符号相反,则光束在晶体中某些方向上的光程与温度无关。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条